[ELDK] Is there any tip on porting Linux to MPC832x with ELDK ?

Gao Ya'nan abutter.gao at gmail.com
Wed Jan 6 00:25:35 CET 2010

2010/1/5 Wolfgang Denk <wd at denx.de>:
> Dear "Gao Ya'nan",
> In message <d15e5cf91001050604s2312c6cftdd56b674afee2956 at mail.gmail.com> you wrote:
>> I want to port Linux to a MPC8321E board, but MPC8321E does not have a
>> Floating-Point Unit.
>> AFAIK, U-Boot and kernel come with "-msoft-float" option, but how
>> should I deal with rootfs, especially libraries coming with ppc_6xx?
> You are not supposed to use the ppc_6xx packages on a non-FPU system;
> these packages are explicitly made for processors _with_ a FPU. This
> is documented in the manual, section "3.4. Supported Target
> Architectures" at
> http://www.denx.de/wiki/DULG/ELDKSupportedTargetArchitectures

Yes, I know that ppc_6xx packages come without "soft-float" options,
but MPC8321E is special, and not mentioned in this section.

> For your processor you should use the ppc_8xx packages instead.

E300 is compatible with MPC8xx forked from 601 core. And I think it will be OK.

But I really think that I'll lost something, perhaps a little
performance or others.

> Best regards,
> Wolfgang Denk


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